How to: Bind F13 to F24 keys on the G-keys (Logitech Gaming Keyboards)

logitech-bind-f13-f24.lua

-- How to use this script:
-- 1. Install the Logitech Gaming Software: http://support.logitech.com/en_us/software/lgs
-- 2. Launch it, and right click on your profile (the gear icon) and then click on "Scripts".
-- 3. Add the following code into the Script window, save it, and close it. Enjoy.
-- Now G1 is bound to F13, G2 to G14, ... G12 to F24.

function OnEvent(event, arg)

  -- OutputLogMessage("event = %s, arg = %s\n", event, arg) 

  fKey = {
    [1]  = 0x64, -- F13
    [2]  = 0x65, -- F14
    [3]  = 0x66, -- F15
    [4]  = 0x67, -- F16
    [5]  = 0x68, -- F17
    [6]  = 0x69, -- F18
    [7]  = 0x6A, -- F19
    [8]  = 0x6B, -- F20
    [9]  = 0x6C, -- F21
    [10] = 0x6D, -- F22
    [11] = 0x6E, -- F23
    [12] = 0x76  -- F24
  }

  if (event == "G_PRESSED") then
    PressKey(fKey[arg])
  end

  if (event == "G_RELEASED") then
    ReleaseKey(fKey[arg])
  end

end

Export the configuration file, add the following code, and then import it. And so on. You can add any buttons you like without affecting the original functions.
<macro guid="{F13_GUID}" color="4278246655" name="F13" hidden="false" original="true"> <keystroke xmlns="http://www.logitech.com/Cassandra/2010.1/Macros/Keystroke"> <key value="F13"/> </keystroke> </macro> <macro guid="{F14_GUID}" color="4278246655" name="F14" hidden="false" original="true"> <keystroke xmlns="http://www.logitech.com/Cassandra/2010.1/Macros/Keystroke"> <key value="F14"/> </keystroke> </macro> <macro guid="{F15_GUID}" color="4278246655" name="F15" hidden="false" original="true"> <keystroke xmlns="http://www.logitech.com/Cassandra/2010.1/Macros/Keystroke"> <key value="F15"/> </keystroke> </macro> <macro guid="{F16_GUID}" color="4278246655" name="F16" hidden="false" original="true"> <keystroke xmlns="http://www.logitech.com/Cassandra/2010.1/Macros/Keystroke"> <key value="F16"/> </keystroke> </macro> <macro guid="{F17_GUID}" color="4278246655" name="F17" hidden="false" original="true"> <keystroke xmlns="http://www.logitech.com/Cassandra/2010.1/Macros/Keystroke"> <key value="F17"/> </keystroke> </macro> <macro guid="{F18_GUID}" color="4278246655" name="F18" hidden="false" original="true"> <keystroke xmlns="http://www.logitech.com/Cassandra/2010.1/Macros/Keystroke"> <key value="F18"/> </keystroke> </macro> <macro guid="{F19_GUID}" color="4278246655" name="F19" hidden="false" original="true"> <keystroke xmlns="http://www.logitech.com/Cassandra/2010.1/Macros/Keystroke"> <key value="F19"/> </keystroke> </macro> <macro guid="{F20_GUID}" color="4278246655" name="F20" hidden="false" original="true"> <keystroke xmlns="http://www.logitech.com/Cassandra/2010.1/Macros/Keystroke"> <key value="F20"/> </keystroke> </macro> <macro guid="{F21_GUID}" color="4278246655" name="F21" hidden="false" original="true"> <keystroke xmlns="http://www.logitech.com/Cassandra/2010.1/Macros/Keystroke"> <key value="F21"/> </keystroke> </macro> <macro guid="{F22_GUID}" color="4278246655" name="F22" hidden="false" original="true"> <keystroke xmlns="http://www.logitech.com/Cassandra/2010.1/Macros/Keystroke"> <key value="F22"/> </keystroke> </macro> <macro guid="{F23_GUID}" color="4278246655" name="F23" hidden="false" original="true"> <keystroke xmlns="http://www.logitech.com/Cassandra/2010.1/Macros/Keystroke"> <key value="F23"/> </keystroke> </macro> <macro guid="{F24_GUID}" color="4278246655" name="F24" hidden="false" original="true"> <keystroke xmlns="http://www.logitech.com/Cassandra/2010.1/Macros/Keystroke"> <key value="F24"/> </keystroke> </macro>